YOU SAID:

were do ducks come from

INTO JAPANESE

アヒルはどこから来たの？

BACK INTO ENGLISH

Where did the duck come from?

INTO JAPANESE

アヒルはどこから来たのですか？

BACK INTO ENGLISH

Where do the ducks come from?

INTO JAPANESE

アヒルはどこから来るのか。

BACK INTO ENGLISH

Where do the ducks come from?